Weavile does not evolve in Pokemon Black.
I don't think snasel can evolve into weavile in leaf green
Sneasel will evolve into Weavile when holding a Razor Claw at night.
you can't weavile is a dp Pokemon only
weavile evolves to palkia
level up at nighttime while its holding a razor claw
To evolve a Sneasel, you must have it hold a razor claw (which can be found in Route 224 of Pokemon Diamond and Pearl) and train it during the night.
Level your Sneasel up while it is holding a Razor Claw.
Evolve Sneasel And Sneasel Can Be Cought At Acuity Lake Front,Or Route 217.
All the starters evolve in Pokemon Black. Many other Pokemon evolve as well.
It can't evolve by level, but it can evolve while holding the item Razor Claw at night. It can only evolve in 4th generation games and above. (Diamond, Pearl, Platinum, HG, SS, etc.)
Go to Snowpoint city and on your way there are sneasels. Just have your sneasel evolve to a weavile.
catch one near snow-point city or evolve sneasel